This artefactual experiment in Ethiopia tested the hyperbolic discounting hypothesis by comparing time discounting over cash and consumption goods, using real payoffs. It found no difference in…

This study of the deleterious effect on fishing by the water hyacinth invasion of Lake Victoria found an unusual positive: the decline of fish catchability caused by the the abundance of water…

This examination of the impacts of market and institutional imperfections on technology adoption found that Ethiopian farmers’ decisions to adopt fertilizer significantly and negatively depended on…

Just how important social context is for voluntary contributions is investigated in a natural field experiment, where subjects made either actual or hypothetical contributions to a national park in…

In a natural field experiment, the authors quantified the importance of anonymity, reciprocity, and conformity through the provision of social reference levels in order to explain voluntary…

The revitalization of Machakos, Kenya, from overpopulation and resource degradation—seemingly by its population growth—has added another round to the Boserupian vs. Malthusian debate, and may make…

Many greenhouse gas mitigation policies that shift fossil fuel use are accompanied by some hidden environmental benefits, so called “co-benefits” or “ancillary benefits.” Since these “co-benefits” are…

Abstract Energy and water utilities need financial resources to maintain existing infrastructure, increase in capacity to meet growing demand, meet environmental regulations, and invest in climate…

Abstract In this study, we aim to estimate the causal effects of LLL on input usage and yield and use the results on treatment effect as inputs for the incremental cost benefit analysis in paddy…